gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gold / dirsearch.h

diff --git a/gold/dirsearch.h b/gold/dirsearch.h
index 3beb1436c5a29aa6e543fbd3ae5fbeea4c320efb..8912b565b6611028408d28b8aed1681758a71c8b 100644 (file)
--- a/gold/dirsearch.h
+++ b/gold/dirsearch.h
@@ -1,5 +1,25 @@
 // dirsearch.h -- directory searching for gold  -*- C++ -*-
 
+// Copyright (C) 2006-2020 Free Software Foundation, Inc.
+// Written by Ian Lance Taylor <iant@google.com>.
+
+// This file is part of gold.
+
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+// MA 02110-1301, USA.
+
 #ifndef GOLD_DIRSEARCH_H
 #define GOLD_DIRSEARCH_H
 
@@ -7,38 +27,52 @@
 #include <list>
 
 #include "options.h"
-#include "workqueue.h"
+#include "token.h"
 
 namespace gold
 {
 
+class General_options;
+class Workqueue;
+
 // A simple interface to manage directories to be searched for
 // libraries.
 
 class Dirsearch
 {
  public:
-  Dirsearch();
-
-  // Add a directory to the search path.
-  void
-  add(Workqueue*, const char*);
+  Dirsearch()
+    : directories_(NULL), token_(true)
+  { }
 
-  // Add a list of directories to the search path.
+  // Set the list of directories to search.
   void
-  add(Workqueue*, const General_options::Dir_list&);
+  initialize(Workqueue*, const General_options::Dir_list*);
 
   // Search for a file, giving one or two names to search for (the
   // second one may be empty).  Return a full path name for the file,
   // or the empty string if it could not be found.  This may only be
-  // called if the token is not blocked.
+  // called if the token is not blocked.  Set *IS_IN_SYSROOT if the
+  // file was found in a directory which is in the sysroot.  *PINDEX
+  // should be set to zero the first time this is called; it will be
+  // updated with the index of the directory where the file is found,
+  // and that value plus one may be used to find the next file with
+  // the same name(s).
   std::string
-  find(const std::string&, const std::string& n2 = std::string()) const;
+  find(const std::vector<std::string>& names, bool* is_in_sysroot,
+       int* pindex, std::string *found_name) const;
+
+  // Return the blocker token which controls access.
+  Task_token*
+  token()
+  { return &this->token_; }
 
-  // Return a reference to the blocker token which controls access.
-  const Task_token&
-  token() const
-  { return this->token_; }
+  // Search for a file in a directory list.  This is a low-level function and
+  // therefore can be used before options and parameters are set.
+  static std::string
+  find_file_in_dir_list(const std::string& name,
+                        const General_options::Dir_list& directories,
+                        const std::string& extra_search_dir);
 
  private:
   // We can not copy this class.
@@ -46,7 +80,7 @@ class Dirsearch
   Dirsearch& operator=(const Dirsearch&);
 
   // Directories to search.
-  std::list<const char*> directories_;
+  const General_options::Dir_list* directories_;
   // Blocker token to control access from tasks.
   Task_token token_;
 };